1108
P&B
Dimensions are shown for
reference purposes only.
Dimensions are in inches over
(millimeters) unless otherwise
specified.
Catalog 1308242
Issued 3-03
Specifications and availability
subject to change.
www.tycoelectronics.com
Technical support:
Refer to inside back cover.
Sample Part Number SSRQ -240 D
1. Basic Series: SSRQ = Quad output SSR - 4 SPST - NO
20
2. Line Voltage: 240 = 24 - 280 VAC
3. Input Type & Voltage: D = 4 - 15VDC, zero voltage turn-on types.
R = 4 - 15VDC, random voltage turn-on types.
4. Maximum Switching Rating/Output: 20 = .05 - 20A rms, mounted to heatsink. NOTE: 60A max. per package.
5. Options: Blank = Zero voltage turn-on (all sections) Requires "D" input type above.
R = Random voltage turn-on (all sections) Requires "R" input type above.
Ordering Information
Engineering Data
Form: 4 Form A (4 SPST-NO).
Duty: Continuous.
Isolation: 2500V rms input-to-output-to-ground.
Capacitance: 10.0 pf maximum (input to output).
Temperature Range:
Storage: –40°C to +125°C
Operating: –40°C to + 80°C
Case Material: Plastic, UL rated 94V-0.
Case and Mounting: Refer to outline dimension.
Termination: Refer to outline dimension.
Approximate Weight: 3.5 oz. (98g).
Features
• Four independent AC output solid state relays in one standard package.
• 20A rms triac outputs.
• 4-15 VDC input control.
• Zero voltage and random voltage turn-on versions.
• 2500V rms optical isolation.
• Quick connect style terminals.
Input Specifications
Parameter Conditions
Control Voltage Range V
Must Release Voltage V (Min.)
Input Current (Typ.)
Units
VDC 4-15
4
1
12
Must Operate Voltage V (Min.) VDC
VDC
mA DC
IN
IN(OP)
IN(REL)
Zero V or Random V Turn-on Units
Input Impedance (Nom.) 330
ohms
@ 25°C
@ 25°C
@ 25°C
@ 25°C
@ 25°C
Our authorized distributors are more likely to maintain the following items in stock for immediate delivery.
SSRQ-240D20
File E29244
Users should thoroughly review the technical data before selecting a product part
number. It is recommended that users also seek out the pertinent approvals files of
the agencies/laboratories and review them to ensure the product meets the
requirements for a given application.
SSRQ series
Quad AC Output “Hockey Puck”
Solid State Relay With
Triac Outputs
1109
P&B
Dimensions are shown for
reference purposes only.
Dimensions are in inches over
(millimeters) unless otherwise
specified.
Catalog 1308242
Issued 3-03
Specifications and availability
subject to change.
www.tycoelectronics.com
Technical support:
Refer to inside back cover.
-(B)
OUTPUT C
B1
B2
OUTPUT A
†
EQUIVALENT CIRCUIT ONLY
ZERO
VOLTAGE
CIRCUIT †
ZERO
VOLTAGE
CIRCUIT †
ZERO
VOLTAGE
CIRCUIT†
ZERO
VOLTAGE
CIRCUIT †
OUTPUT D
OUTPUT B
A1
A2
D1
D2
C1
C2
Random Turn-On Units Have A Random Turn-On Circuit Instead Of A Zero Voltage Circuit
-(A)
-(D) -(C)
+
COMMON
A1
MTNG HOLE / SLOT 2 PLCS.
.170 (4.3) DIA.
2.3
(58.4)
1.75
(44.45)
.250 (6.35)
Q.C. TERMS
8 PLACES
.025 (.635) SQ. PINS
ON .100 (2.54) CENTERS
A1 C1 C2
B1 B2 D1 D2
DC SEC. A –
DC SEC. B –
– DC SEC. C
+ DC COMM
– DC SEC. D
1.125
(28.57)
1.87
(47.5)
.85
(21.6)
A2
.375
(9.5)
Outline Dimensions
Input Terminals mate with the following
connectors or equivalent:
AMP P/N: 103976-4
Consult your local distributor for connectors.
Operating Diagram
Electrical Characteristics (Thermal Derating Curves)
*See Thermal Derating Curves. Note: While each output section is rated for a maximum of 20A, the maximum output per package is 60A.
Parameter Conditions Units
Load Voltage Range V
Repetitive Blocking Voltage (Min.)
Thermal Resistance, Junction to Case (R ) (Max.)
I t Rating A Sec.
V rms
V/µs
ms
ms
Turn-Off Time (Max.)
I = Max.
2
Turn-On Time (Max.)
L
L
24-280
Single Cycle Surge Current (Min.)
Load Current Range I *
Leakage Current (Off-State) (Max.)
Static dv/dt (Off-State) (Min.)
Load Power Factor Rating
L
t = 8.3 ms 2
f = 60 Hz.
f = 60 Hz.
I = Max.
L
f = 60 Hz. V = 280Vrms
V peak
A rms
A peak
mA rms
On-State Voltage Drop (Max.) V peak
8.3 for Zero Voltage Turn-On Models
0.1 for Random Voltage Turn-On Models
250
.15-20
+
-600
260
J-C
10
1.6
200
1.2
8.3
°C/W
L
All Sections On
0.5 - 1.0
θ
Resistive
V = 280Vrms
L
Output Specifications (@ 25°C, unless otherwise specified)
Heatsink Recommendations
• We recommend that solid state relay modules be
mounted to a heatsink sufficient to maintain the
module’s base temperature at less than 85°C under
worst case ambient temperature and load conditions.
• The heatsink mounting surface should be a smooth
(30-40 micro-inch finish), flat (30-40 micro-inch
flatness across mating area), un-painted surface which
is clean and free of oxidation.
• An even coating of thermal compound (Dow Corning
DC340 or equivalent) should be applied to both the
heatsink and module mounting surfaces and spread to
a uniform depth of .002” to eliminate all air pockets.
• The module should be mounted to the heatsink using
two #10 screws.
Loads Current (A rms)
Power Dissipation (Watts)
0 15 30 45 60 0 20 40 60 80
90
80
40
60
20 105
75
Ambient Temp. (°C)
Max. Allowable
Base Temperature (°C)
0.25°C/W
0.5°C/W
1°C/W
2°C/W
3°C/W
Example #2:
Given: SSRQ24020
Find: Maximum rating mounting to 1.0°C/W HS @ 60°C All
sections ON
Solution: From Thermal Dissipation Graph
Rating mounted to 1.0°C/W HS @ 60°C = 36A total
9A for 4 Sections ON = 36A total
12A for 3 Sections ON = 36A total
Example #1:
Given: IL= Four 7.5A loads @ 60°C
Find: Minimum heatsink required
Solution: From Thermal Dissipation Graph
4 x 7.5A = 30A 4 sections ON
Heatsink = 2°C/W minimum
How To Use These Curves
Knowing maximum load current and maximum ambient temperature, use derating curves to determine required heat sink and maximum allowable base plate
temperature. On left hand power dissipation curve, locate the point corresponding to maximum load current. Extend a line to the right from that point to the
intersection of vertical line on right hand chart corresponding to maximum ambient temperature. From heat sink curve, read directly or extrapolate required heat
sink size. Extend the line farther to the right and read on the right hand scale the maximum allowable base plate temperature.
